British Waterways Board
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Chief Engineer's Department, Watford
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BWB engineering drawings
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BWB engineering drawings nos 769-1004
BW167/6/7/1/75
"Crinan Canal-Heightening Loch-An-Add south end dams"
Plans and sections showing dams and ground levels
September 1965-January 1966
BW167/6/7/1/75
These records are available immediately for research
3 sheets